20197808638

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4243}}^1\times {\mathrm{4789}}^1$

素因数の和:9112

約数の個数: 32

約数和(自身を含む): 35128097280

約数和(自身を除く): 14930288642

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 4243, 4789, 8486, 9578, 29701, 33523, 59402, 67046, 301253, 340019, 602506, 680038, 2108771, 2380133, 4217542, 4760266, 20319727, 40639454, 142238089, 284476178, 1442700617, 2885401234, 10098904319, 20197808638]

約数ペア:

[(1, 20197808638), (2, 10098904319), (7, 2885401234), (14, 1442700617), (71, 284476178), (142, 142238089), (497, 40639454), (994, 20319727), (4243, 4760266), (4789, 4217542), (8486, 2380133), (9578, 2108771), (29701, 680038), (33523, 602506), (59402, 340019), (67046, 301253)]